Al Lorona wrote: > And yet, the lowly 1N34 germanium diode is still going strong. Why is this > notable? I have a 1953 QST article of an antenna tuner designed by George > Grammer which used a 1N34 in its circuit. That was almost *60 years ago* but > you can still buy 1N34s at your local electronics store. That's pretty > amazing. What other semiconductor (or vacuum tube, for that matter) has > lasted that long? > The 12AX7 has been around since 1947, and is still in production in multiple countries...
73, Ross N4RP -- FCC Section 97.313(a) “At all times, an amateur station must use the minimum transmitter power necessary to carry out the desired communications.” ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[email protected] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
